Answer:
6.71 years
Step-by-step explanation:
we need to determine the PVIFA for 8% and 10 periods:
PVIFA = [1 - 1/(1 + i)n ] / i
PVIFA = [1 - 1/(1 + 0.08)¹⁰ ] / 0.08 = 0.5368 / 0.08 = 6.71
Ataxia's payback period should be 6.71 years or less in order for this project to be feasible and accepted.